<div style="width:400px;">
    <table class="table table-hover">
    <thead>
    <tr>
        <th>key</th>
        <th>value</th>
        <th>备注</th>
    </tr>
    </thead>
    <tbody>
         <tr ng-repeat="item in elem.config">
             <td>{{item.key}}</td>
             <td>{{item.value}}</td>
             <td>{{item.remark}}</td>
         </tr>
    </tbody>
</table>
</div>